Houghton Bernard Au. <br/><br/>
Online information retrieval systems 

 - London  Clive bingley Ltd.       1984 
 - 144p.  cm. 
<br/><br/><label>Standard No.: </label>349,736 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMPUTER APPLICATIONS; LIBRARY CATALOGUE
<br/><br/><label>Dewey Class. No.: </label>D65,8(2:55), M4